General Organic Chemistry – JEE Advanced Previous Year Questions with Solutions
JEE Advanced Previous Year Questions of Chemistry with Solutions are available at eSaral. Practicing JEE Advanced Previous Year Papers Questions of Chemistry will help the JEE aspirants in realizing the question pattern as well as help in analyzing weak & strong areas. Simulator   Previous Years JEE Advance Questions
Q. The correct acidity order of the following is : (A) (III) > (IV) > (II) > (I) (B) (IV) > (III) > (I) > (II) (C) (III) > (II) > (I) > (IV) (D) (II) > (III) > (IV) > (I) [IIT-JEE-2009]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. (A) (A) Acidity $\propto-R /-I \propto \frac{1}{+R /+I}$

Q. The correct stability order of the following resonance structures is [IIT-2009]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. (B)

Q. Amongst the following, the total number of compounds soluble in aquesous NaOH is: [IIT-JEE-2010]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. 4 (4) Compound which is more acidic than water is soluble in NaOH

Q. The total number of contributing structures showing hyperconjugation (involving C–H bonds) for the following carbocation is. [IIT-2011]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. 6 $6 \propto \mathrm{H}$ ore present.

Q. Among the following compounds, the most acidic is – (A) p-nitrophenol (B) p-hydroxybenzoic acid (C) o-hydroxybenzoic acid (D) p-toluic acid [IIT-JEE-2011]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. (C)

Q. Which of the following molecules, in pure from , is (are) unstable at room temperature ? [IIT-2012]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. (B,C) Anti – Aromatic : B,C

Q. The carboxyl functional group (–COOH) is present in – (A) picric acid (B) barbituric acid (C) ascorbic acid (D) aspirin [IIT-JEE-2012]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. (D)

Q. Identify the binary mixtures (s) that can be separated into the individual compounds, by differential extraction, as shown in the given scheme – (A) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}$ and $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COOH}$ (B) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COOH}$ and $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{OH}$ (C) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{OH}$ and $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{OH}$ (D) $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{OH}$ and $\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CH}_{2} \mathrm{COOH}$ [IIT-JEE-2012]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. (B,D)

Q. The hyperconjugative stbilities of tert-butyl cation and 2-butene, respectively, are due to – (A) $\sigma \rightarrow \mathrm{p}$ (empty) and $\sigma \rightarrow \pi$ electron delocalisations (B) $\sigma \rightarrow \sigma$ and $\sigma \rightarrow \pi$ electron delocalisations (C) $\sigma \rightarrow \mathrm{p}(\text { filled })$ and $\sigma \rightarrow \pi$ electron delocalisations (D) $\mathrm{p}$ (filled) $\rightarrow \sigma$ and $\sigma \rightarrow \pi$ electron delocalisations [IIT-2013]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. (A)

Q. The total number of lone-pairs of electrons in melamine is – [IIT-2013]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. 6

Q. The compound that does NOT liberate $\mathrm{CO}_{2}$, on treatment with aqueous sodium bicarbonate solution, is – (A) Benzoic acid (B) Benzenesulphonic acid (C) Salicylic acid (D) Carbolic acid (phenol) [JEE-ADVANCED-2013]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. (D) (D) Compound which is more acidic than $\mathrm{H}_{2} \mathrm{CO}_{3}$ liberate $\mathrm{CO}_{2}$ gas.

Q. Hydrogen bonding plays a central role in the following phenomena (A) Ice floats in water (B) Higher Lewis basicity of primary amines than tertiary amines in aqueous solutions (C) Formic acid is more acidic than acetic acid (D) Dimerisation of acetic acid in benzene [JEE-ADVANCED-2014]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. (A,B,D)

Q. The number of resonance structures for N is : [IIT-2015]

Download eSaral App for Video Lectures, Complete Revision, Study Material and much more...

Sol. 9

Administrator

Leave a comment

Please enter comment.
Please enter your name.


Comments